<p dir="ltr">Is that really the file? What you sent is not a valid struct file, it is missing symmetry operations and local rotation matrices. As Fabien said, you also need to check that there is enough space between the RMTs for the spheres not to overlap during volume optimisation.</p>
<p dir="ltr">---<br>
Professor Laurence Marks<br>
"Research is to see what everybody else has seen, and to think what nobody else has thought", Albert Szent-Gyorgi<br>
<a href="http://www.numis.northwestern.edu">http://www.numis.northwestern.edu</a><br>
Corrosion in 4D <a href="http://MURI4D.numis.northwestern.edu">http://MURI4D.numis.northwestern.edu</a><br>
Partner of the CFW 100% gender equity project, <a href="http://www.cfw.org/100-percent">www.cfw.org/100-percent</a><br>
Co-Editor, Acta Cryst A<br>
</p>
<div class="gmail_quote">On Mar 15, 2016 06:49, "shamik chakrabarti" <<a href="mailto:shamikphy@gmail.com">shamikphy@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>
<div dir="ltr"><span style="font-size:12.8px">Dear wien2k users,</span>
<div style="font-size:12.8px"><br>
</div>
<div style="font-size:12.8px"> While running a simulation of a heusler alloy CoFeTiGe, the GGA calculation was completed successfully. However, while the same structure file was fed to volume optimization error appears.</div>
<div style="font-size:12.8px"><br>
</div>
<div>
<div style="font-size:12.8px">The struct file are also sent as attached file herewith this mail,</div>
<div style="font-size:12.8px"><br>
</div>
<div style="font-size:12.8px">Any response in this regard will be helpful for us. Thanks in advance.</div>
<div style="font-size:12.8px"><br>
</div>
<div style="font-size:12.8px">with regards, </div>
<div style="font-size:12.8px">
<div><img src="https://ssl.gstatic.com/ui/v1/icons/mail/images/cleardot.gif"></div>
</div>
</div>
<div><br>
</div>
-- <br>
<div>
<div dir="ltr">
<div>
<div dir="ltr">
<div>Dr. Shamik Chakrabarti<br>
Research Associate</div>
<div><span style="font-size:12.8px">Electroceramics Lab</span><br>
Dept. of Metallurgical & Materials Engineering<br>
IIT Kharagpur<br>
Kharagpur 721302<br>
INDIA</div>
</div>
</div>
</div>
</div>
</div>
</div>
</blockquote></div>